WebLogic load balancing -


i'm developing project supported on weblogic clustered environment. i've set cluster, want load-balancing solution (currently, testing purposes, i'm using weblogic's httpclusterservlet round-robin load-balancing). there documentation gives clear comparison (with pros , cons) of various ways of providing load-balancing weblogic?

these main topics want cover:

  • performance (normal , on failover);
  • what failures can detected , how fast failover recovery;
  • transparency failure (e.g., ability automatically retry idempotent request);
  • how each load-balancing solution adapted various topologies (n-tier, clustering)

thanks in advance help.

is there documentation gives clear comparison (with pros , cons) of various ways of providing load-balancing weblogic?

it's not clear kind of application building , kind of technologies involved. but...

you find useful information in failover , replication in cluster , load balancing in cluster (also @ cluster implementation procedures) but, no real comparison between different options, @ least not knowledge. but, choice isn't complex: 1. hardware load balancers perform better software load balancers , 2. if go software load balancers, weblogic plugin apache recommended (by bea) choice production. actually, web apps, pretty usual put static files on web server , use apache mod_wl plugin. see installing , configuring apache http server plug-in chapter.

these main topics want cover:

  • performance (normal , on failover): if question persistent session, weblogic uses in memory replication default , works pretty relatively low overhead.

  • what failures can detected , how fast failover recovery: unclear protocols you're using. see connection errors , clustering failover.

  • transparency failure (e.g., ability automatically retry idempotent request): clarifying protocols using make answering easier. if question http requests, see figure 3-1 connection failover.

  • how each load-balancing solution adapted various topologies (n-tier, clustering): question unclear , vague (for me). maybe have @ cluster architectures.

oh, way, nice chapter must read clustering best practices.


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